wannacry | fb648bfb485f910e065cc18778364a56be32044d1ac4729449f3cc28221b12e8

General

Target

95ae8e32eb8635e7eabe14ffbfaa777b.dll
Size

5.0MB
MD5

95ae8e32eb8635e7eabe14ffbfaa777b
SHA1

d5872c3f694a9e23c0583c4ae3e5c59eab26c021
SHA256

fb648bfb485f910e065cc18778364a56be32044d1ac4729449f3cc28221b12e8
SHA512

053e31bb5d469a2c4b1c5ab658d87051168c8a0b8d55d1709bcc4c11faf16fd1617263c5c30c4c9bfb5b319ead6d2712fafebc5a40888f5a6b46d1eb6030335f
SSDEEP

49152:RnnMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:1nPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 2 IoCs

Processes:

mssecsvr.exemssecsvr.exe

pid process

4724 mssecsvr.exe
4876 mssecsvr.exe

pid	process
4724	mssecsvr.exe
4876	mssecsvr.exe

Drops file in System32 directory 11 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.chk	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.jtx	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSSres00001.jrs	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.chk	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.jfm	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.dat	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.jcp	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.log	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSStmp.log	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSSres00002.jrs	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.dat	svchost.exe

Drops file in Windows directory 3 IoCs

Processes:

rundll32.exemssecsvr.exemspaint.exe

description	ioc	process
File created	C:\WINDOWS\mssecsvr.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvr.exe
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Modifies data under HKEY_USERS 12 IoCs

Processes:

mssecsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	mssecsvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	mssecsvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	mssecsvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	mssecsvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	mssecsvr.exe

Modifies registry class 5 IoCs

Processes:

taskmgr.exemspaint.exemspaint.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\SpotifyAB.SpotifyMusic_zpdnekdrzrea0\Spotify\UserEnabledStartupOnce = "0"	taskmgr.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	mspaint.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	mspaint.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\SpotifyAB.SpotifyMusic_zpdnekdrzrea0\Spotify	taskmgr.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\SpotifyAB.SpotifyMusic_zpdnekdrzrea0\Spotify\State = "0"	taskmgr.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1496 vlc.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

mspaint.exemspaint.exemspaint.exetaskmgr.exe

pid	process
4776	mspaint.exe
4776	mspaint.exe
2384	mspaint.exe
2384	mspaint.exe
4540	mspaint.exe
4540	mspaint.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1496 vlc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

taskmgr.exe

description	pid	process
Token: SeDebugPrivilege	3352	taskmgr.exe
Token: SeSystemProfilePrivilege	3352	taskmgr.exe
Token: SeCreateGlobalPrivilege	3352	taskmgr.exe
Token: 33	3352	taskmgr.exe
Token: SeIncBasePriorityPrivilege	3352	taskmgr.exe

Suspicious use of FindShellTrayWindow 43 IoCs

Processes:

vlc.exetaskmgr.exe

pid	process
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe

Suspicious use of SendNotifyMessage 42 IoCs

Processes:

vlc.exetaskmgr.exe

pid	process
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe
3352	taskmgr.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

vlc.exemspaint.exemspaint.exeOpenWith.exemspaint.exeOpenWith.exe

pid process

1496 vlc.exe
4776 mspaint.exe
4776 mspaint.exe
4776 mspaint.exe
4776 mspaint.exe
2384 mspaint.exe
3664 OpenWith.exe
4540 mspaint.exe
4800 OpenWith.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4372 wrote to memory of 1640	4372	rundll32.exe	rundll32.exe
PID 4372 wrote to memory of 1640	4372	rundll32.exe	rundll32.exe
PID 4372 wrote to memory of 1640	4372	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 4724	1640	rundll32.exe	mssecsvr.exe
PID 1640 wrote to memory of 4724	1640	rundll32.exe	mssecsvr.exe
PID 1640 wrote to memory of 4724	1640	rundll32.exe	mssecsvr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95ae8e32eb8635e7eabe14ffbfaa777b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4372

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95ae8e32eb8635e7eabe14ffbfaa777b.dll,#1
2⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1640

C:\WINDOWS\mssecsvr.exe
C:\WINDOWS\mssecsvr.exe
3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:4724

C:\WINDOWS\mssecsvr.exe
C:\WINDOWS\mssecsvr.exe -m security
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4876

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SplitLock.mp4v"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1496

C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\UnblockUnpublish.dib"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4776

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:4412

C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\RenameDisable.jpg" /ForceBootstrapPaint3D
1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2384

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
1⤵
- Drops file in System32 directory
PID:1564

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:3664

C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\RenameDisable.jpg" /ForceBootstrapPaint3D
1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4540

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:4800

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\mssecsvr.exe

Filesize
2.2MB

MD5
115b1d97402bc50dacb74ba73c7464d2

SHA1
799abb0d4067ec605126cd40ce52949510a60cf7

SHA256
a837de3df64de641ca48b50983dc072692e237a24197bcc0c080152c4ddc3c2b

SHA512
910bf83e0c71df49d5c47cfd078d961ac5214fbcc14ed73052075f0e00e80bd942bc2fbb585630b630d78ac713d7a0dc899aa95a14f2554440f09c6119833bc4

Download Submit
C:\Windows\mssecsvr.exe

Filesize
2.2MB

MD5
115b1d97402bc50dacb74ba73c7464d2

SHA1
799abb0d4067ec605126cd40ce52949510a60cf7

SHA256
a837de3df64de641ca48b50983dc072692e237a24197bcc0c080152c4ddc3c2b

SHA512
910bf83e0c71df49d5c47cfd078d961ac5214fbcc14ed73052075f0e00e80bd942bc2fbb585630b630d78ac713d7a0dc899aa95a14f2554440f09c6119833bc4

Download Submit
C:\Windows\mssecsvr.exe

Filesize
2.2MB

MD5
115b1d97402bc50dacb74ba73c7464d2

SHA1
799abb0d4067ec605126cd40ce52949510a60cf7

SHA256
a837de3df64de641ca48b50983dc072692e237a24197bcc0c080152c4ddc3c2b

SHA512
910bf83e0c71df49d5c47cfd078d961ac5214fbcc14ed73052075f0e00e80bd942bc2fbb585630b630d78ac713d7a0dc899aa95a14f2554440f09c6119833bc4

Download Submit
memory/1564-137-0x00000229E8B60000-0x00000229E8B70000-memory.dmp

Filesize
64KB

Download
memory/1564-138-0x00000229E8BA0000-0x00000229E8BB0000-memory.dmp

Filesize
64KB

Download
memory/1640-132-0x0000000000000000-mapping.dmp

Download
memory/4724-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads